Happy Hero is one of Gu Long's masterpieces in the middle period. It pays attention to friendship and humanity, and takes the lead in arranging stories according to the nature of events rather than time series. It is an independent novel similar to Zhang Hui's novel, which describes ordinary stories other than martial arts heroes, but it is a very attractive martial arts comedy. There are five characters in the novel: Guo Dalu, Yan Qi, Wanimal, Lin Taiping and Hua Manlou. They have their own stories, but they are all happy people.